*{
	padding: 0;
	margin: 0;
}
ul,li,ol{
	list-style: none;
}
img{
	display: block;
}
a{
	text-decoration: none;
	color: white;
}
h1,h2,h3{
	font-size: 16px;
}
.l{
	float: left;
}
.r{
	float: right;
}
.clear:after{
	content: "";
	display: block;
	clear: both;
}
.banxin{
	width: 90%;
	margin: 0 auto;
	position: relative;
}
.tonglan{
	width: 100%;
}

